<!DOCTYPE html>
<html lang="ch">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登录页面</title>
    <link rel="stylesheet" href="css/common.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
    <!-- 导航栏 -->
    <div class="nav">
        <img src="img/logo2.jpg" alt="">
        <span class="title">我的个人网站</span>
        <!-- 用来占据中间位置 -->
        <span class="spacer"></span>
    </div>
    <!-- 版心 -->
    <div class="login-container">
        <!-- 中间的登陆框 -->
        <div class="login-dialog">
            <h3>登录</h3>
            <div class="row">
                <span>用户名</span>
                <input type="text" id="username">
            </div>
            <div class="row">
                <span>密码</span>
                <input type="password" id="password">
            </div>
            <div class="row">
                <button id="submit" onclick="login()">提交</button>
            </div>
        </div>
    </div>
    <script>
        function login() {
            // 参数校验
            var username = jQuery("#username");
            var password = jQuery("#password");
            if (username.val().trim() == "") {
                alert("用户名不能为空！");
                username.focus();
                return false;
            } 
            if (password.val().trim() == "") {
                alert("密码不能为空！");
                password.focus();
                return false;
            }
            if(username.val().trim() == 'admin' && password.val().trim() == '1234') {
                location.href = "zhuye.html";
            } else {
                alert("登录失败!");
                return false;
            }
        }
        document.getElementById("password").addEventListener("keypress", function(event) {
            if (event.keyCode === 13) {
                document.getElementById("submit").click();
            }
        });
    </script>
</body>
</html>